/* Shelf site. Layout: a Mac screen up top (wallpaper, menu bar, sliding shelf), then calm light sections, closing on a dark banner. */
:root{
  --blue:#2448FF; --blue-hover:#1736e0;
  --ink:#101114; --mut:#5d6170; --bg:#fbfbfd; --soft:#f1f2f6; --card:#fff; --line:#e6e7ec;
  --on-wall:#1d0d02; --wall:#e9853f; --link:#2448FF;
  --final-bg:#101114; --final-fg:#fff; --final-mut:#b3b6c2;
  --font:Figtree,-apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif;
  --sys:-apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue",sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --ink:#f3f4f7; --mut:#a3a7b5; --bg:#0e0f12; --soft:#17191e; --card:#1d1f25; --line:#2a2d35;
  --final-bg:#2448FF; --final-fg:#fff; --final-mut:#dfe4ff; --link:#9aaaff;
  color-scheme:dark;
}}
@media (prefers-color-scheme:dark){.btn{box-shadow:inset 0 1px 0 rgba(255,255,255,.25),0 8px 20px -8px rgba(0,0,0,.6)}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.55 var(--font);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
::selection{background:var(--blue);color:#fff}
a{color:inherit}
h1,h2,h3{margin:0;letter-spacing:-.03em;text-wrap:balance;font-weight:700}
p{text-wrap:pretty}
.wrap{max-width:1160px;margin:0 auto;padding-left:max(24px,env(safe-area-inset-left,0px));padding-right:max(24px,env(safe-area-inset-right,0px))}
.skip{position:absolute;left:-999px;top:40px;z-index:99;background:var(--card);color:var(--ink);padding:8px 12px;border-radius:8px}.skip:focus{left:16px}
:focus-visible{outline:3px solid rgba(36,72,255,.55);outline-offset:3px}

/* Menu bar: the site's nav, dressed as the Mac's */
.menubar{position:sticky;top:0;z-index:50;height:34px;display:flex;align-items:center;gap:22px;padding:0 max(16px,env(safe-area-inset-right,0px)) 0 max(16px,env(safe-area-inset-left,0px));
  font:500 14px/1 var(--sys);color:var(--on-wall);background:rgba(255,236,220,.45);-webkit-backdrop-filter:blur(30px) saturate(1.8);backdrop-filter:blur(30px) saturate(1.8);
  transition:background-color .3s var(--ease),color .3s var(--ease),box-shadow .3s var(--ease)}
.menubar.past{background:color-mix(in srgb,var(--bg) 78%,transparent);color:var(--ink);box-shadow:0 1px 0 var(--line)}
.menubar .apple{width:14px;height:17px;flex:none}
.menubar b{font-weight:700}
.menubar a{text-decoration:none}.menubar a:hover{opacity:.7}
.menubar .right{margin-left:auto;display:flex;gap:16px;align-items:center}
.menubar .mb-icon{display:flex;padding:3px 6px;border-radius:5px;transition:background-color .3s}.menubar .mb-icon.on{background:rgba(0,0,0,.13)}
.menubar .dl{background:var(--blue);color:#fff;padding:6px 12px;border-radius:7px;font-weight:600}.menubar .dl:hover{opacity:1;background:var(--blue-hover)}

/* Screen: the first viewport is a Mac desktop */
.screen{position:relative;margin-top:-34px;padding-top:34px;height:max(680px,min(100svh,960px));overflow:hidden;background:var(--wall) url(assets/wallpaper.jpg) center/cover}
.hero{position:absolute;left:0;right:0;top:calc(34px + 7vh);padding:0 7vw;color:var(--on-wall);transition:transform .7s var(--ease)}
.hero h1{font:700 clamp(40px,min(6.2vw,7.6vh),88px)/.98 var(--sys);letter-spacing:-.035em;max-width:11ch}
.hero p{font-size:21px;max-width:31ch;margin:20px 0 28px}
.hero .meta{font-size:14px;margin-top:18px;opacity:.85}
.screen.shift-left .hero{transform:translateX(270px)}.screen.shift-top .hero{transform:translateY(210px)}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--blue);color:#fff;font:600 17px/1 var(--font);padding:15px 22px;border-radius:12px;text-decoration:none;border:0;cursor:pointer;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.25),0 8px 20px -8px rgba(36,72,255,.6);transition:transform .3s var(--ease),background-color .3s var(--ease)}
.btn:hover{background:var(--blue-hover);transform:translateY(-1px)}.btn:active{transform:scale(.98)}
.btn svg{width:18px;height:18px}
.try{all:unset;cursor:pointer;display:inline-flex;gap:6px;align-items:center;margin-left:18px;font:600 16px/1 var(--sys);color:var(--on-wall)}
.try:focus-visible{outline:3px solid var(--on-wall);outline-offset:4px;border-radius:6px}
kbd,.k{font:600 14px/1 var(--sys);min-width:28px;text-align:center;padding:6px 8px;border-radius:7px;background:rgba(255,240,228,.72);border:1px solid rgba(60,20,0,.22)}
.edges{position:absolute;right:7vw;top:calc(34px + 7vh);z-index:6;display:grid;gap:8px;justify-items:end;color:var(--on-wall);font:600 13px/1 var(--sys)}
.seg{display:flex;padding:3px;border-radius:10px;background:rgba(255,255,255,.3);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}
.seg button{all:unset;cursor:pointer;padding:7px 12px;border-radius:8px;transition:background-color .3s var(--ease)}
.seg button[aria-pressed=true]{background:#fff;color:#1d1d1f;box-shadow:0 1px 2px rgba(0,0,0,.15)}
.seg button:focus-visible{outline:2px solid var(--on-wall)}
.dock{position:absolute;z-index:5;transition:transform .75s var(--ease)}
.edge-bottom{left:16px;right:16px;bottom:16px;transform:translateY(calc(100% + 24px))}
.edge-top{left:16px;right:16px;top:50px;transform:translateY(calc(-100% - 70px))}
.edge-left,.edge-right{top:50px;bottom:16px;width:268px}
.edge-left{left:16px;transform:translateX(calc(-100% - 24px))}.edge-right{right:16px;transform:translateX(calc(100% + 24px))}
.dock.open{transform:none}
@media (max-height:880px){.edge-bottom .sp-card,.edge-top .sp-card{height:184px}.edge-bottom .sp-img-link,.edge-top .sp-img-link{height:84px}}
.edge-left .sp-panel,.edge-right .sp-panel{height:100%}
.edge-left .sp-rail,.edge-right .sp-rail{flex-direction:column}
.edge-left .sp-card,.edge-right .sp-card{flex:0 0 190px;width:100%}
.edge-left .sp-tabs,.edge-right .sp-tabs{display:none}
.toast{position:absolute;left:50%;top:60px;z-index:7;transform:translate(-50%,-12px);opacity:0;pointer-events:none;background:rgba(29,29,31,.86);color:#fff;font:500 14px/1 var(--sys);padding:10px 14px;border-radius:10px;
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:opacity .3s var(--ease),transform .5s var(--ease)}
.toast.on{opacity:1;transform:translate(-50%,0)}

/* Light sections */
section{padding:128px 0}
.feat{display:grid;grid-template-columns:1fr 1.25fr;gap:72px;align-items:center}
.feat.flip{grid-template-columns:1.25fr 1fr}.feat.flip .txt{order:2}
.feat .txt{min-width:0}
.feat h2,.privacy h2{font-size:clamp(32px,3.6vw,46px);line-height:1.06}
.feat p{color:var(--mut);margin:16px 0 0;max-width:42ch}
.vis{background:var(--soft);border-radius:24px;padding:32px;min-height:340px;display:grid;place-items:center;overflow:hidden;min-width:0}
.types{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.types span{padding:6px 12px;border-radius:999px;background:var(--card);box-shadow:0 0 0 1px var(--line);font-size:14px;font-weight:500}
.mini{display:flex;gap:12px;transform:rotate(-3deg)}.mini .sp-card{flex:0 0 170px;height:180px}
.boards{width:100%;max-width:380px;background:var(--card);border-radius:16px;padding:8px;box-shadow:0 1px 2px rgba(0,0,0,.06),0 12px 30px -12px rgba(0,0,0,.18)}
.boards div{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:10px;font-weight:600}
.boards div:first-child{background:rgba(36,72,255,.1)}.boards i{width:10px;height:10px;border-radius:50%}.boards span{margin-left:auto;color:var(--mut);font-weight:500;font-size:14px;font-variant-numeric:tabular-nums}
.search{width:100%;max-width:440px;display:grid;gap:12px}
.field{display:flex;align-items:center;gap:10px;background:var(--card);border-radius:12px;padding:12px 14px;box-shadow:0 0 0 1px var(--line),0 8px 20px -12px rgba(0,0,0,.2)}
.field svg{color:var(--mut)}
.caret{width:2px;height:20px;background:var(--blue);animation:blink 1.1s steps(1) infinite}@keyframes blink{50%{opacity:0}}
.chips{display:flex;gap:8px;flex-wrap:wrap}.chips span{font-size:13px;font-weight:600;padding:5px 10px;border-radius:8px;background:var(--card);box-shadow:0 0 0 1px var(--line)}.chips span.on{background:var(--blue);color:#fff;box-shadow:none}
.hit{display:flex;gap:12px;align-items:center;background:var(--card);border-radius:12px;padding:10px;box-shadow:0 0 0 1px var(--line)}
.hit img{width:64px;height:48px;object-fit:cover;border-radius:8px}.hit b{display:block;font-size:15px}.hit span{font-size:13px;color:var(--mut)}.hit mark{background:#ffe36b;color:#101114;border-radius:3px;padding:0 2px}
.stack{width:260px;background:var(--card);border-radius:16px;padding:14px;box-shadow:0 0 0 1px var(--line),0 20px 40px -18px rgba(0,0,0,.3)}
.stack header{display:flex;justify-content:space-between;font-size:13px;font-weight:700;margin-bottom:10px}.stack header span{color:var(--mut);font-weight:500}
.stack div{padding:10px 12px;border-radius:10px;background:var(--soft);margin-top:6px;font-size:14px}.stack div:first-of-type{background:var(--blue);color:#fff}
.center{text-align:center}.center h2{font-size:clamp(34px,4.4vw,56px);line-height:1.04}.center>p{color:var(--mut);max-width:48ch;margin:16px auto 0}
.keys{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-radius:20px;overflow:hidden;margin-top:48px;box-shadow:0 0 0 1px var(--line)}
.keys div{background:var(--card);padding:28px 24px;display:grid;gap:10px;text-align:left}
.keys b{font:600 22px/1 var(--font);letter-spacing:.02em}.keys span{color:var(--mut);font-size:15px}
.privacy{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.privacy picture,.privacy img{display:block;width:100%;max-width:480px;justify-self:center;border-radius:16px;box-shadow:0 0 0 1px var(--line),0 30px 60px -30px rgba(0,0,0,.4)}
.checks{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:14px}
.checks li{display:flex;gap:12px}.checks svg{flex:0 0 22px;margin-top:2px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;list-style:none;padding:0;margin:48px 0 0;text-align:left;counter-reset:s}
.steps li{background:var(--card);border-radius:20px;padding:28px;box-shadow:0 0 0 1px var(--line);counter-increment:s}
.steps li::before{content:counter(s);display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--blue);color:#fff;font-weight:700;font-size:15px;margin-bottom:18px}
.steps b{display:block;font-size:19px;margin-bottom:6px}.steps span{color:var(--mut);font-size:16px}
.faq{max-width:760px;margin:48px auto 0;text-align:left}
details{border-bottom:1px solid var(--line);padding:20px 0}
summary{cursor:pointer;font-weight:600;font-size:19px;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:24px;line-height:1;color:var(--mut);transition:transform .3s var(--ease)}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--mut);margin:12px 0 0}
.final{background:var(--final-bg);color:var(--final-fg);border-radius:32px;padding:96px 32px;text-align:center}
.final img{width:88px;height:88px}
.final h2{font-size:clamp(36px,5vw,64px);line-height:1.02;margin:24px auto 16px;max-width:14ch}
.final p{color:var(--final-mut);margin:0 auto 32px;max-width:44ch}
@media (prefers-color-scheme:dark){.final .btn{background:#fff;color:#1736e0}.final .btn:hover{background:#e8ecff}}
footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;color:var(--mut);font-size:14px;padding-top:48px;padding-bottom:max(64px,env(safe-area-inset-bottom,0px))}
footer nav{display:flex;gap:20px}footer a{text-decoration:none}footer a:hover{color:var(--ink)}

/* Reveal from a visible default: only hidden once JS is known to run */
.js .up{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .up.in{opacity:1;transform:none}

/* Legal pages */
.doc{max-width:720px;margin:0 auto;padding-top:96px;padding-bottom:96px}
.doc h1{font-size:clamp(36px,5vw,52px);line-height:1.05;margin-bottom:8px}
.doc .date{color:var(--mut);margin:0 0 40px}
.doc h2{font-size:22px;margin:40px 0 8px;letter-spacing:-.01em}
.doc p,.doc li{color:var(--mut)}
.doc a{color:var(--link)}
.top{display:flex;align-items:center;gap:10px;padding-top:24px;font-weight:700;font-size:19px;text-decoration:none}
.top img{width:28px;height:28px}

@media (max-width:860px){
  .menubar .hide{display:none}
  .screen{height:auto;padding-bottom:16px}
  .hero{position:relative;top:auto;padding:40px max(20px,env(safe-area-inset-left,0px)) 0}.hero p{font-size:18px}
  .dock.edge-bottom{position:relative;left:auto;right:auto;bottom:auto;margin:40px 12px 0}
  .edges,.try{display:none}
  .edge-bottom .sp-rail{overflow-x:auto;scroll-snap-type:x mandatory}.edge-bottom .sp-card{scroll-snap-align:start}.edge-bottom .sp-tabs{display:none}
  section{padding:80px 0}
  .feat,.feat.flip,.privacy{grid-template-columns:1fr;gap:32px}.feat.flip .txt{order:0}
  .vis{min-height:260px;padding:20px}.keys{grid-template-columns:1fr 1fr}.keys div{padding:20px 16px}.steps{grid-template-columns:1fr}
  .final{border-radius:24px;padding:64px 20px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .dock,.hero,.js .up{transition:opacity .25s linear!important}
  .js .up{transform:none}
  .dock{transform:none!important;opacity:0;pointer-events:none}.dock.open{opacity:1;pointer-events:auto}
  .caret{animation:none}
}